MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised websites. While no scripts were explicitly extracted, the nature of PDF-based attacks often involves embedded JavaScript for malicious actions, hence the inclusion of T1059.007.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://s-moonlight.com/CKEdit/upload/files/luwarenubijisib.pdf
- http://drcleancenter.com/uploads/files/202108281456141983.pdf
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/0e0dcf2c5ecf256b9304a22fac56bf52/jizepitarav.pdf
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607961ff5547e---lumatirulerena.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/d2d05731220eb30b2f841a0c7c57e9e5/532733344.pdf
- http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/gawokuza.pdf
- http://esistore.de/userfiles/file/gilimonajepodale.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c47a6a1c0ab---49566953394.pdf
- http://karpatskiles.ru/store/files/60173723910.pdf
- https://shellserva.nl/docs/Image/file/1658328240.pdf
- https://hanomanberjaya.com/contents//files/posagarej.pdf
- https://pima-alarms.rs/slicice/file/gefojixowofutirevos.pdf
- https://globalybm.com/ckfinder/userfiles/files/1626220758.pdf
- https://viettincapital.vn/upload/files/fifukimofokudezom.pdf
- https://jamisonfurnace.ca/userfiles/files/26076746223.pdf
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/8779768198.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e72a308edd---78043529880.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/4122a7c39b0abd0128365ded09c42301/29736438529.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed7624ab35---32877251323.pdf
- http://lpkgoodframeupvc.com/userfiles/files/nivegikizowoda.pdf
- https://lesura.net/userfiles/file/pewetemij.pdf
- https://kiaavcilar.com/upload/ckfinder/files/felexaverasetiz.pdf
- http://mengnuanua.com/app/webroot/files/files/27047232957.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=ucp+600+pdf+icc
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f510.binab08bf6d8f9e85cea00e37aeba8d145e005a2bcd70b757747b5a26b02b2cc85f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF510 | 9980 bytes |
font_01_sfnt_off00010b2c.bin7f53d53039a0ad05f08e71106360fb54935ab7dc79d270066505a227d3bdad85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B2C | 20844 bytes |
font_02_sfnt_off000142c4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C4 | 16792 bytes |
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